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What's the difference between UTF-8 and UTF-8 without BOM?
...g BOMs even as an optional feature would only make it more complicated and error prone.
Other uses of BOM
As for the uses outside of JSON or scripts, I think there are already very good answers here. I wanted to add more detailed info specifically about scripting and serialization, because it is a...
Auto-fit TextView for Android
...N_CODES.JELLY_BEAN)" to the onTestSize() method so that Lint won't give an error/warning about it, and initialize it in the CTOR instead. setting the binary search to static is also a good thing, and you could do the initialization on the largest CTOR and call it from the other CTORs. however, it's ...
What is a lambda expression in C++11?
...that if the number of lines is smaller then there is a less chance to make errors in it (I'm also think so)
Example of usage
auto x = [=](int arg1){printf("%i", arg1); };
void(*f)(int) = x;
f(1);
x(1);
Extras about lambdas, not covered by question. Ignore this section if you're not interest
1...
Why is require_once so bad to use?
... only included it once should suffice but if you're still getting redefine errors, you could something like this:
if (!defined('MyIncludeName')) {
require('MyIncludeName');
define('MyIncludeName', 1);
}
I'll personally stick with the *_once statements but on silly million-pass benchmark,...
Java Interfaces/Implementation naming convention [duplicate]
... (throwing exceptions for arguments that shouldn't be null, etc) and catch errors in testing, using a more efficient implementation in production code (not checking arguments that should not be null for being null since the mock threw exceptions in your tests and you know that the arguments aren't n...
public friend swap member function
...t;
void swap<T>(myclass<T>&, myclass<T>&) // error! no partial specialization
{
// swap
}
}
This method works some of the time, but not all of the time. There must be a better way.
There is! We can use a friend function, and find it through ADL:
na...
Why can't we have static method in a (non-static) inner class?
... normal "attempt to access non-static variable from a static context" type error - no different from if a top level static method tries to access it's own class's instance variable.
– Lawrence Dol
May 10 '11 at 5:29
...
How do cache lines work?
... render the CPU worthless (defect) so large L1, L2, L3 caches increase the error rate which decreases the yield which directly decreases ROI. So there is a huge trade off when it comes to available cache size.
(currently one creates more L1, L2, L3 caches in order to be able to deactivate certain p...
What is the difference between NTFS Junction Points and Symbolic Links?
...rs your question in a satisfactory manner.
Edited to correct typographical errors.
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
... "abc" }
> db.foo.insert({_id: 'abc', data:'xyz'})
E11000 duplicate key error index: test.foo.$_id_ dup key: { : "abc" }
So, absolutely don't rely on _id's being unique across collections, and since you don't control the ObjectId generation function, don't rely on it.
It's possible to create...